INULIN Meaning of INULIN in English [ 'ɪnjʊlɪn ]■ noun Biochemistry a substance derived from fructose, present in the roots of various plants.OriginC19: from L. inula 'elecampane' + -in 1 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004